The Gear,bevel, cataloged under National Stock Number 3020-00-741-1209, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-741-1209 |
| Primary Part Number | 3697746 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.756 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 2.190 INCHES FIRST END IN |
| Teeth Quantity | 18 |
| Body Style | PLAIN, SOLID |
| Pitch Angle | 60.9380 DEGREES |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 1.217 INCHES SECOND END IN |
| Teeth Type | STRAIGHT |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Overall Length | 2.110 INCHES IN |
| Style Designator | PERIPHERAL FACE, PROTRUDING HUBS |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 8620 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 4.2070 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Spline Quantity | 27 BOTH ENDS |
| Nominal Outside Diameter | 4.343 INCHES IN |
| Pressure Angle | 22.5000 DEGREES |
| Material | STEEL COMP 8620 OVERALL |
| Spline Pitch Diameter | 1.6800 INCHES NOMINAL BOTH ENDS IN |
| Face Nominal Width | 0.719 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3697746 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| 7411209 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 3697746 | 5/9 Secondary reference General Motors Corp |
| 3697746 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
NSN 3020-00-741-1209 is a Gear,bevel, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-741-1209 has 2 manufacturer part numbers on file: 3697746 (General Motors Llc Dba General Motors Llc), 7411209 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 3697746: Bore Nominal Diameter: 1.756 INCHES BOTH ENDS IN; Hub Nominal Diameter: 2.190 INCHES FIRST END IN; Teeth Quantity: 18; Body Style: PLAIN, SOLID. 20 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.